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HI JPEG优化从skia迁移到libjpeg-turbo

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Signed-off-by: wangzihao <wangzihao18@huawei.com>
This commit is contained in:
wangzihao
2025-12-18 19:43:34 +08:00
parent dbbb6ec951
commit 4c62e9e988
2 changed files with 45 additions and 0 deletions
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BUILD.gn
+4
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@@ -199,6 +199,10 @@ if (!defined(ohos_lite)) {
]
}
if (is_ohos) {
define_config += [ "SK_ENABLE_HI_JPEG" ]
}
config("turbojpeg_config") {
include_dirs += [ "${target_gen_dir}/libjpeg-turbo-3.1.0/src" ]
ldflags = [ "-Wl,--lto-O0" ]
libjpeg-turbo-optimize.patch
+41
View File
@@ -353,6 +353,47 @@ index 21f17b8..6388ca1 100644
-EXTERN(void) jpeg_gen_optimal_table(j_compress_ptr cinfo, JHUFF_TBL *htbl,
+HIDE(EXTERN)(void) jpeg_gen_optimal_table(j_compress_ptr cinfo, JHUFF_TBL *htbl,
long freq[]);
diff --git a/src/jcparam.c b/src/jcparam.c
index d74623c..80ee5e5 100644
--- a/src/jcparam.c
+++ b/src/jcparam.c
@@ -72,6 +72,28 @@ jpeg_add_quant_table(j_compress_ptr cinfo, int which_tbl,
* The spec says that the values given produce "good" quality, and
* when divided by 2, "very good" quality.
*/
+#ifdef SK_ENABLE_HI_JPEG
+static const unsigned int std_luminance_quant_tbl[DCTSIZE2] = {
+ 15, 15, 18, 22, 15, 46, 96, 46,
+ 12, 20, 22, 28, 31, 46, 43, 76,
+ 7, 22, 33, 32, 68, 65, 91, 121,
+ 22, 22, 28, 61, 38, 43, 137, 65,
+ 29, 22, 22, 65, 65, 68, 134, 99,
+ 84, 38, 53, 103, 84, 73, 134, 156,
+ 73, 68, 106, 61, 111, 152, 181, 139,
+ 61, 127, 111, 149, 129, 187, 111, 180
+};
+static const unsigned int std_chrominance_quant_tbl[DCTSIZE2] = {
+ 15, 15, 46, 38, 57, 38, 121, 141,
+ 22, 15, 76, 53, 68, 81, 114, 121,
+ 15, 103, 61, 114, 76, 127, 118, 111,
+ 99, 43, 68, 137, 91, 137, 96, 118,
+ 53, 38, 57, 73, 127, 114, 182, 190,
+ 61, 96, 76, 99, 76, 134, 149, 174,
+ 141, 134, 88, 114, 137, 121, 174, 4,
+ 84, 99, 73, 129, 170, 167, 156, 182
+};
+#else
static const unsigned int std_luminance_quant_tbl[DCTSIZE2] = {
16, 11, 10, 16, 24, 40, 51, 61,
12, 12, 14, 19, 26, 58, 60, 55,
@@ -92,6 +114,7 @@ static const unsigned int std_chrominance_quant_tbl[DCTSIZE2] = {
99, 99, 99, 99, 99, 99, 99, 99,
99, 99, 99, 99, 99, 99, 99, 99
};
+#endif
#if JPEG_LIB_VERSION >= 70
diff --git a/src/jdhuff.h b/src/jdhuff.h
index 3eee002..af3d3a6 100644
--- a/src/jdhuff.h